About: Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes

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About: Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Reactive metabolites of benzene 1,4-benzoquinone and 1,4-hydroquinone exert their toxic effects through covalent and/or oxidative damage to DNA and proteins. Since minipigs have been proposed as a suitable model species in toxicological and pharmacological research, the aim of this study was to explore mechanisms by which catechol, 1,4-hydroquinone and 1,4-benzoquinone destroy cytochrome P450 (P450) and induce oxidative stress in minipig liver microsomes. Our second goal was to assess the usefulness of minipig liver microsomes as a model system for the testing of the production of oxidative stress by clinically relevant quinone-containing compounds, e.g. anthracyclines. Of the three benzene metabolites tested, the highest P450 destruction was caused by 1,4-benzoquinone. This destructive effect did not correlate with the production of hydroxyl radicals as measured by ESR spin trapping which was the highest in samples containing 1,4-hydroquinone. Our results confirm previous findings that 1,4-benzoquino Reactive metabolites of benzene 1,4-benzoquinone and 1,4-hydroquinone exert their toxic effects through covalent and/or oxidative damage to DNA and proteins. Since minipigs have been proposed as a suitable model species in toxicological and pharmacological research, the aim of this study was to explore mechanisms by which catechol, 1,4-hydroquinone and 1,4-benzoquinone destroy cytochrome P450 (P450) and induce oxidative stress in minipig liver microsomes. Our second goal was to assess the usefulness of minipig liver microsomes as a model system for the testing of the production of oxidative stress by clinically relevant quinone-containing compounds, e.g. anthracyclines. Of the three benzene metabolites tested, the highest P450 destruction was caused by 1,4-benzoquinone. This destructive effect did not correlate with the production of hydroxyl radicals as measured by ESR spin trapping which was the highest in samples containing 1,4-hydroquinone. Our results confirm previous findings that 1,4-benzoquino (en)
Title	Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes (en)
skos:prefLabel	Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes (en)
skos:notation	RIV/00216208:11120/07:00002195!RIV11-MSM-11120___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(NL7567), P(OC 119), S, Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Stopka, Pavel Kondrová, Eliška
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / 3. lékařská fakulta
http://linked.open...dnocenehoVysledku	415531
http://linked.open...ai/riv/idVysledku	RIV/00216208:11120/07:00002195
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cytochrome P450; hydroquinone; benzoquinone; P450; destruction; hydroxyl radicals; ESR (en)
http://linked.open.../riv/klicoveSlovo	hydroxyl radicals P450 benzoquinone ESR hydroquinone destruction cytochrome P450
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[865DD641F037]
http://linked.open...i/riv/nazevZdroje	Toxicology in Vitro
http://linked.open...in/vavai/riv/obor	DN
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20119 Effect of polyphenols and chelators on toxicity and effects of anthracyclines and taxanes
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	21
http://linked.open...iv/tvurceVysledku	Stopka, Pavel Souček, Pavel Kondrová, Eliška
http://linked.open...ain/vavai/riv/wos	000247131600004
http://linked.open...n/vavai/riv/zamer	Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0887-2333
number of pages	10 (xsd:int)
http://localhost/t...ganizacniJednotka	11120
is http://linked.open...avai/riv/vysledek of	Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes Cytochrome P450 destruction by benzene metabolites 1,4-benzoquinone and 1,4-hydroquinone and the formation of hydroxyl radicals in minipig liver microsomes

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